Home / 28,330.54-42,493.98-8,609.27

Finding the Fourth Proportional to 28,330.54, 42,493.98 and 8,609.27

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Solution

The fourth proportional to 28,330.54, 42,493.98 and 8,609.27 is: 12,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.54 : 42,493.98 = 8,609.27 : x
  2. Step 2: Convert to fraction form
    28,330.54/42,493.98 = 8,609.27/x
  3. Step 3: Cross multiply
    28,330.54x = 42,493.98 × 8,609.27
  4. Step 4: Simplify right side
    28,330.54x = 365,841,967.01
  5. Step 5: Solve for x
    x = 365,841,967.01/28,330.54
  6. Step 6: Final answer
    x = 12,913.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.